There are six reduced depths/new drying areas – 3 drying areas off the Mersea Flats, a reduction of depth on the east side of the River Colne, one off Jaywick and one off Walton-on-the-Naze. Caution necessary cutting round the south of Mersea between the Blackwater and the Colne.

There are significant changes to depths and drying heights off the foreshores near the entrance to Felixstowe, Harwich and

Ipswich.

Significant depths and drying heights are as follows:

Depth Position

0·5m 51° 56´·258N., 1° 19´·841E.

0·4m 51° 56´·198N., 1° 21´·252E.

0·7m 51° 56´·183N., 1° 21´·491E.

0·5m 51° 56´·149N., 1° 20´·226E.

1·3m 51° 56´·049N., 1° 18´·042E.

Drying Height Position

0·1m 51° 56´·105N., 1° 19´·615E.

0·2m 51° 56´·021N., 1° 20´·024E.

0·5m 51° 56´·005N., 1° 19´·443E.

0·4m 51° 55´·956N., 1° 19´·838E.

0·4m 51° 55´·924N., 1° 19´·673E.

These and other changes will be included in the next New Edition of Charts 1491 and 2693.

Notice 4770(P)/2017 refers

Image courtesy of Imray Chart Y16 and Meridian ID10

Affects:

UKHO Charts: 2052

Imray Charts: C1 and Y16

UKHO Leisure Folios: 5607.4, 5607.5, 5607.6

Imray Leisure Folio: 2000.1, 2000.4

Two important reductions of depth on the Platters and the Andrews Spit off Landguard Point.

Affects:

UKHO Charts: 1491 and 2693

Imray Charts: C30

UKHO Leisure Folios: 5607.4, 5607.5, 5607.6

Imray Leisure Folio: 2000.1, 2000.4

This Preliminary NtM notice is important for leisure craft showing significant reductions of depths on the Andrews Spit and the Platters. Read this NtM in conjunction with NtM 4749 above. - The above new soundings are included again in this Preliminary Notice.

Includes changes to depths from the latest British Government and Port of London Authority surveys.

Includes changes to depths from latest British Government, Trinity House and Commercial surveys.

Includes changes to depths from the latest British Government and Harwich Haven Authority surveys.

Week 28

ENGLAND - East Coast - Orford Haven and Woodbridge Haven - NM Blocks.

Chart 2693

Insert:

the accompanying block A, centred on: 52° 02´·4N., 1° 27´·8E.

the accompanying block B, centred on: 51° 58´·7N., 1° 23´·5E.

Chart 2695 (Panel C, Rivers Ore and Alde)

Insert: the accompanying block centred on: 52° 02´·3N., 1° 27´·8E.

Notice 3125 refers

Affects:

UKHO Charts: 2693 and 2695

Imray Charts: C28

UKHO Leisure Folios: 5607.5

Imray Leisure Folio: 2000.1, 2000.2 and 2000.3

New blocks for the relevant Admiralty Charts covering entrances of the Rivers Ore and Deben. Note, of course, more detail is available on the East Coast Pilot web site at http://www.eastcoastpilot.com/downloads.html

Week 24

ENGLAND - East Coast - Roughs Tower SE - Depths.

Insert:

depth, 6.8 at 51° 52´·64N., 1° 29´·38E. Delete depth, 8, close S.

Notice 2719 refers

Image courtesy of Imray Chart C1 and C28 and Meridian ID10

Affects:

UKHO Charts: 1183

Imray Charts: C1 and C28

UKHO Leisure Folios: 5607.2, 5607.5

Imray Leisure Folio: 2000.1

This is a repeat of NtM 2487 last week to include chart 1183. The image is below.

Week 22

ENGLAND - East Coast - Roughs Tower SE and Orford Ness SE - Depths.

Insert:

depth, 6.8 at 51°52´·64N., 1°29´·38E. Delete depth, 8, close S

Replace depth, 7.7 , with depth, 6.9 at52°02´·66N., 1°37´·97E.

Notice 2487 refers

Image courtesy of Imray Chart C1 and C28 and Meridian ID10

Affects:

UKHO Charts: 1610, 2052 and 2692

Imray Charts: C1 and C28

UKHO Leisure Folios: 5607.2, 5607.5

Imray Leisure Folio: 2000.1

Two small reduction in depth south of the Roughs Tower and SE of Orford Ness. Not likely to hinder leisure craft.

Week 22

ENGLAND - East Coast - Approaches to Woodbridge Haven - Buoy.

Move:

Mo(A)15s Woodbridge Haven, from:

51°58´·20N., 1°23´·85E.

to: 51°57´·99N., 1°23´·63E.

Notice 2452 refers

Image courtesy of Imray Chart C28G and Meridian ID10

Affects:

UKHO Charts: 1610, 2052 and 2693

Imray Charts: C28

UKHO Leisure Folios: 5607.6

Imray Leisure Folio: 2000.1, 2000.3

UKHO confirmation of the Trinity House NtM 12 of 2017 about the spring position change of the Woodbridge Have safe water mark.

Eight reductions of depths around the centre of the Shipwash but all well marked by the West and East Cardinals. Three additional reduction of depths in and around the Sunk area but all issues for shipping rather than leisure craft.

Confirmation by the UKHO of the change of position of the Orford Haven Safe Water buoy previously notified by Trinity House. NOTE: the image illustrates the change of positon only in relation to the Safe Water Mark. Take note of the East Coast Pilot image of all the buoyage and shoals: http://www.eastcoastpilot.com/downloads.html

Week 16

EAST COAST OF ENGLAND - ORFORD HAVEN - APPROACHES TO THE RIVER ORE

1. Station: Oxley Unlighted Buoy (Seasonal).

Amendment: Has been re-established in position:

Latitude 52° 02.190’N., Longitude 001° 27.718’E.

2. Station: Weir Unlighted Buoy (Seasonal).

Amendment: Has been re-established in position:

Latitude 52° 02.358’N., Longitude 001° 27.625’E.

Date : On or about 14th April, 2016.

3. Station: Orford Haven Lighted Buoy.

Amendment: Moved to position:

Latitude 52° 02.000’N., Longitude 001° 28.200’E.

Alterations effected consequent upon a recent survey.

Amendment to notice- Orford Haven Lighted Buoy will now be actioned on or about 19th April, 2016.

The routeing information and associated buoyage shown on this chart incorporates the changes scheduled for implementation at

0000 UTC 1st August 2013. The previous edition of this chart should continue to be used until these changes are implemented.

Notes: The chart numbers of the previous editions (dated 19th January 2012, 14th October, 2010, 18th October, 2012 [for both charts 1406 and 1408] and 17th February, 2005 respectively) is to be changed to X110, X122, X1406, X1408 and X1504. They will be updated independently and withdrawn shortly after the implementation date.

Copies of the previous charts can be obtained, until 1st August 2013, by ordering X110, X122, X1406, X1408 and X1504.

Includes extensive changes to the IMO-adopted Traffic Separation Schemes ‘Hook of Holland and At North Hinder’ and new IMO adopted precautionary area 'West of Rijnveld' and other routeing measures as follows: changes to limits of “TSS Maas North”, “TSS Maas Northwest”, "TSS North Hinder North", “TSS Maas

West Inner” and “TSS Maas West Outer”. Also includes changes to precautionary areas, extension to deep water channel, changes to Areas to be Avoided, anchorages, buoyage and depths from the latest Netherlands surveys.

Includes extensive changes to the IMO-adopted Traffic Separation Schemes ‘Hook of Holland and At North Hinder’, ‘TSS Off Texel’, and new IMO-adopted Traffic Separation Scheme ‘In the Approaches to Ijmuiden’ and new IMO-adopted precautionary area ‘West of Rijnveld’. Also includes other routeing measures as follows: changes to limits of “TSS Maas North”, “TSS Maas

Northwest”, “TSS North Hinder North”, “TSS Maas West Inner”, “TSS Maas West Outer”, “TSS Ijmuiden West Outer”, TSS Ijmuiden West Inner” & “TSS Off Texel”. Also includes changes to precautionary areas, extension to deep water channel, changes to Areas to be Avoided, anchorages, buoyage and depths from the latest Netherlands surveys.

Includes changes to the IMO-adopted Traffic Separation Scheme 'TSS North Hinder North' and new IMO-adopted precautionary area 'West of Rijnveld'. Also includes changes to precautionary areas, buoyage, Areas to be Avoided and depths from the latest Netherlands surveys.

A real pot pourri of reduced depths around the Cutler and Bawdsey Banks off the Deben, the installation of AIS at the Varne and East Goodwin Light Floats, the NE Spit ECB, the North Shipwash NCB and the Southwold Light House and the movement of the Sunk E1 Safe Water Mark further east.

Images courtesy of Imray/Meridian ID10; left click to enlarge, right click to download.